CN103852501A - Multifunctional photoelectrochemical testing device - Google Patents
Multifunctional photoelectrochemical testing device Download PDFInfo
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- CN103852501A CN103852501A CN201410106606.3A CN201410106606A CN103852501A CN 103852501 A CN103852501 A CN 103852501A CN 201410106606 A CN201410106606 A CN 201410106606A CN 103852501 A CN103852501 A CN 103852501A
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- gland bonnet
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Abstract
The invention discloses a multifunctional photoelectrochemical testing device which comprises a chemical pool component, a front sealing cover component and a rear sealing cover component, wherein the chemical pool component comprises a chemical pool shell, a first round hole, a second round hole and a chemical pool cavity; the first round hole and the second round hole are formed in side walls of the chemical pool shell and are respectively used for mounting a counter electrode and a reference electrode; electrolyte is arranged in the chemical pool cavity; the front sealing cover component comprises a front sealing cover and a light-transmitting round hole; the rear sealing cover component comprises a pore-free sealing cover and an open sealing cover; when a photoelectrochemical reaction test for a conductive glass working electrode is performed, the pore-free sealing cover is mounted, and the conductive glass working electrode is arranged in a gap between the front sealing cover and the chemical pool shell; when a photoelectrochemical reaction test for a glassy carbon working electrode is performed, a quartz plate is arranged in a gap between the front sealing cover and the chemical pool shell, the open sealing cover is mounted, and the glassy carbon working electrode is arranged from the opening to the chemical pool cavity. According to the multifunctional photoelectrochemical testing device, the problem that the conventional device is single in function and large in experimental error can be solved.
Description
Technical field
The invention belongs to technical field of electrochemistry, more specifically, relate to a kind of multifunctional light electro-chemical test device.
Background technology
The flood tide consumption of coal, oil and other fossil energies has become the main source of whole world atmospheric pollution.The finiteness of these conventional energy resources resources and the increase of environmental pressure, make many countries in the world strengthen the support to new and renewable sources of energy technical development.In new energy field, Hydrogen Energy is generally considered to a kind of pollution-free green energy resource of optimal new century, and this is that water is its unique product because of hydrogen burning.Hydrogen is the abundantest element of occurring in nature, and it is present in water, mineral fuel and all kinds of carbohydrates widely.But traditional hydrogen production process, need to consume huge conventional energy resources, make the Hydrogen Energy personal value too high, greatly limit applying of Hydrogen Energy.
Eighties of last century seventies, Japan's scientists has been found taking catalysis material as " medium ", can utilize inexhaustible, cheap sun power is the necessary oxygen of fuel cell and hydrogen water-splitting, and scientist claims that this is only " one of desirable technique of the mankind " by the technology of sunlight and aquatic output hydrogen and oxygen.Meanwhile, utilize photodestruciton water just must use catalysis material, scientists adds some conductor photocatalysis materials in water, also effectively passes to hydrone by these material absorbing solar energies, makes water generation photodissociation.The ultimate principle of photocatalysis hydrogen production and oxygen technology, taking titanium dioxide semiconductor catalysis material as example, in the time of solar light irradiation titanium dioxide titanium, the electronics (e in its valence band
-) will be stimulated transits to conduction band, produces corresponding hole (h simultaneously in valence band
+), form electron hole pair.Electronics (the e producing
-), hole (h
+) under internal electric field effect, separate and move to particle surface.Under the effect of this electron-hole pair, there is ionization and generate hydrogen and oxygen in water.It is one of key factor of restriction hydrogen producing and oxygen due to the separating step of electron hole pair, so in the last few years, scientists combines electrochemical principle and light, co-catalysis water hydrogen and oxygen, be called for short photoelectrocatalysis (PEC), its principle is on photocatalysis technology basis, adopt galvanochemistry three electrode test systems, the electrode that photocatalyst semiconductor material is modified is used as working electrode, platinized platinum when do to electrode, in addition silver/silver chloride electrode as contrast electrode to be used for setting the bias voltage of working electrode.The advantage of the method is, (1) hydrogen producing and oxygen are carried out on to electrode at photocatalyst working electrode and platinized platinum (silk) respectively, both be conducive to hydrogen and oxygen and collection, meanwhile, can have effectively prevented the impact of hydrogen and oxygen mix team photocatalyst; (2) by photocatalysis working electrode is applied to bias voltage, can effectively form an internal electric field, greatly improve the right separation efficiency in light induced electron hole, allow electronics and hole successfully be transferred to working electrode and electrode surface and water molecule reaction are produced to hydrogen and oxygen, thereby having improved the conversion efficiency of photoelectrocatalysis hydrogen and oxygen.
Although photoelectrocatalysis hydrogen and oxygen have become the study hotspot of academia, but on market, seldom there is the professional electrolytic cell of applicable photoelectrocatalysis test, a lot of test experiments are all to complete at easy quartz cell or common quartz beaker, have affected accuracy and the science of experimental result.
Summary of the invention
For above defect or the Improvement requirement of prior art, the invention provides a kind of multifunctional light electro-chemical test device, to solve, existing proving installation experimental error is large, data reliability is not enough and the technical matters of function singleness.
The technical solution adopted for the present invention to solve the technical problems is, a kind of multifunctional light electro-chemical test device is provided, comprise chemical bath assembly, front gland bonnet assembly and rear gland bonnet assembly, chemical bath assembly is used for holding electrolytic solution, front gland bonnet assembly is for the front hole of chemical bath assembly is sealed, and rear gland bonnet assembly is for sealing chemical bath assembly metapore.
Described chemical bath assembly comprises chemical bath housing, the first circular hole, the second circular hole and chemical bath cavity, described the first circular hole and the second circular hole are arranged on the sidewall of described chemical bath housing, be respectively used to install Pt silk to electrode and contrast electrode, chemical bath cavity is used for holding electrolyte to carry out Optical Electro-Chemistry reaction test; The front end face of described chemical bath housing and rear end face are equipped with the circular hole that is communicated with chemical bath cavity;
Described front gland bonnet assembly comprises front gland bonnet and logical light circular hole, front gland bonnet is for covering the circular hole of chemical bath cavity front end face, the gap that is formed for laying electro-conductive glass working electrode or piezoid between front gland bonnet and chemical bath housing, the center section of front gland bonnet has the just logical light circular hole to electro-conductive glass working electrode or piezoid;
Described rear gland bonnet assembly comprises atresia gland bonnet and perforate gland bonnet, in the time carrying out electro-conductive glass working electrode Optical Electro-Chemistry reaction test, atresia gland bonnet is for covering the circular hole of chemical bath cavity rear end face, gap between front gland bonnet and chemical bath housing is used for laying electro-conductive glass working electrode, and described electro-conductive glass working electrode surface is modified with photoelectrocatalysis agent; In the time carrying out glass carbon working electrode Optical Electro-Chemistry reaction test, gap between front gland bonnet and housing is used for laying piezoid, and perforate gland bonnet is installed, and put into glass carbon working electrode in from its tapping to chemical cell cavity, described glass carbon working electrode surface is modified with photoelectrocatalysis agent.
In multifunctional light electro-chemical test device of the present invention, on described chemical bath cavity front end face circular hole, be also coated with an O type circle, front gland bonnet, electro-conductive glass working electrode or piezoid cover the upper surface of an O type circle successively, and be fixed on chemical bath housing front end face by screw, to ensure the sealing of front gland bonnet assembly.
In multifunctional light electro-chemical test device of the present invention, on described chemical bath cavity rear end face circular hole, be also coated with the 2nd O type circle, atresia gland bonnet covers the 2nd O type circle upper surface, and be fixed on chemical bath housing rear end face by screw, to ensure the sealing of rear gland bonnet assembly.
In multifunctional light electro-chemical test device of the present invention, on described chemical bath housing, be also provided with chemical bath rectangular channel, for inject electrolyte in chemical bath cavity.
In multifunctional light electro-chemical test device of the present invention, described screw is allen screw.
In multifunctional light electro-chemical test device of the present invention, described front gland bonnet, atresia gland bonnet, perforate gland bonnet and screw all adopt polytetrafluoro materials processing to make.
Therefore, the present invention can obtain following beneficial effect: by adopting Optical Electro-Chemistry proving installation of the present invention, both can be for electro-conductive glass or similar transparent thin-film material working electrode, can be used for being again modified with the glass carbon working electrode Optical Electro-Chemistry reaction test of photoelectrocatalysis agent, solved the deficiency of existing proving installation function singleness; Meanwhile, device of the present invention is due to good airproof performance, and can effectively control the each light-receiving area of working electrode and remain unchanged, and therefore, can obtain comparatively accurate experimental data, solved existing proving installation experimental result accuracy and scientific not enough defect.
Brief description of the drawings
Below in conjunction with drawings and Examples, the invention will be further described, in accompanying drawing:
Fig. 1 is the front elevation of the multifunctional light electro-chemical test device schematic diagram of first embodiment of the invention;
Fig. 2 is the vertical view of the multifunctional light electro-chemical test device schematic diagram of first embodiment of the invention;
Fig. 3 is the left view of the multifunctional light electro-chemical test device schematic diagram of first embodiment of the invention;
Fig. 4 is the multifunctional light electro-chemical test device linear sweep voltammetry family curve test result figure of first embodiment of the invention;
Fig. 5 is the front elevation of the multifunctional light electro-chemical test device schematic diagram of second embodiment of the invention;
Fig. 6 is the vertical view of the multifunctional light electro-chemical test device schematic diagram of second embodiment of the invention;
Fig. 7 is the left view of the multifunctional light electro-chemical test device schematic diagram of second embodiment of the invention;
Fig. 8 is the multifunctional light electro-chemical test device linear sweep voltammetry family curve test result figure of second embodiment of the invention.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.In addition,, in each embodiment of described the present invention, involved technical characterictic just can combine mutually as long as do not form each other conflict.
Front elevation, vertical view and the left view of the multifunctional light electro-chemical test device schematic diagram that Fig. 1, Fig. 2, Fig. 3 are first embodiment of the invention.As shown in Figures 2 and 3, in the present embodiment, allen screw 1 is fixed on atresia gland bonnet 2 rear end face of chemical bath cavity 9.Front gland bonnet 6, atresia gland bonnet 2 and allen screw all adopt polytetrafluoro materials processing to make.
When use, an O type circle 13 is attached to chemical bath cavity 9 front end face circular hole edges, and the 2nd O type circle 10 is attached to chemical bath cavity 9 rear end face circular hole edges.Finishing has photoelectrocatalysis agent TiO
2transparent conducting glass working electrode 11 and front gland bonnet 6 cover successively O type circle 13 upper surfaces, be fixed on chemical bath housing 3 front end faces with allen screw 7 simultaneously, then Pt silk is arranged on the first circular hole 5 and the second circular hole 8 successively to electrode and contrast electrode, and to add 3ml concentration by chemical bath rectangular channel 4 to chemical bath cavity 9 be 0.1M KOH electrolyte solution.Start solar simulator, make it can utilize logical light circular hole 14 to light shine and be modified with photoelectrocatalysis agent TiO
2transparent conducting glass working electrode 11 surfaces, transparent conducting glass working electrode 11, Pt silk are connected on successively on electrochemical workstation electrode pin and are tested electrode and contrast electrode lead-in wire, finally obtain linear sweep voltammetry family curve, as shown in Figure 4.
From the result of Fig. 4, under a standard analog solar spectrum, finishing has the electro-conductive glass working electrode of photoelectrocatalysis agent clearly to show larger density of photocurrent, simultaneously, the dark state electric current obtaining at proving installation is almost 0, illustrate that this photoelectrocatalysis agent has excellent photoelectric response characteristic, therefore, adopt multifunctional light electro-chemical test device of the present invention, comparatively accurate experimental data be can obtain, existing proving installation experimental result accuracy and scientific not enough defect solved.
Front elevation, vertical view and the left view of the multifunctional light electro-chemical test device schematic diagram that Fig. 5, Fig. 6, Fig. 7 are second embodiment of the invention.As shown in Figure 6 and Figure 7, in the present embodiment, the 2nd O type circle 10 is attached to chemical bath cavity 9 rear end face circular hole edges, and now, perforate gland bonnet 17 covers the 2nd O type circle 10 upper surfaces.Perforate gland bonnet 17 centers have the circular hole matching with glass carbon working electrode diameter, by this circular hole, glass carbon working electrode 11 can be installed, and glass carbon working electrode 11, by circular hole sealing, prevents that electrolyte from leaking.Front gland bonnet 6, perforate gland bonnet 17 and allen screw all adopt polytetrafluoro materials processing to make.
When use, incrustation is had to photoelectrocatalysis agent Au-TiO
2glass carbon working electrode 15 through circular hole and the 2nd O type circle 10 in perforate gland bonnet 17, contact with the electrolyte in chemical bath 9, perforate gland bonnet 17 is fixed on chemical bath cavity 9 rear end faces by allen screw 16.In the present embodiment, the one O type circle 13 is attached to chemical bath cavity 9 front end face circular hole edges, piezoid 18 and front gland bonnet 6 cover O type circle 13 upper surfaces successively, be fixed on chemical bath housing 3 front end faces with socket head cap screw 7 simultaneously, then Pt silk is fixed on the first circular hole 5 and the second circular hole 8 successively to electrode and contrast electrode, and is the KOH electrolyte solution of 0.1M by chemical bath rectangular channel 4 to adding 3mL concentration in chemical bath cavity 9.Start solar simulator, make it can utilize logical light circular hole 14, piezoid 18 and chemical bath cavity 9 to light shine and be modified with photoelectrocatalysis agent Au-TiO
2glass carbon working electrode 15 surfaces, glass carbon working electrode 15, Pt silk are connected on successively on electrochemical workstation electrode pin and are tested electrode and contrast electrode lead-in wire, finally obtain linear sweep voltammetry family curve, as shown in Figure 8.
From the result of Fig. 8, adopt multifunctional light electro-chemical test device of the present invention, be almost compared with 0 with electric current under dark state, under a standard analog solar spectrum, finishing has the glass carbon working electrode of photoelectrocatalysis agent clearly to show effective density of photocurrent, simultaneously, illustrate that this photoelectrocatalysis agent has good photoelectric response characteristic, therefore, adopt multifunctional light electro-chemical test device of the present invention, can realize and obtain obtaining comparatively accurate experimental data; Existing proving installation experimental result accuracy and scientific not enough defect are solved.
Those skilled in the art will readily understand; the foregoing is only preferred embodiment of the present invention; not in order to limit the present invention, all any amendments of doing within the spirit and principles in the present invention, be equal to and replace and improvement etc., within all should being included in protection scope of the present invention.
Claims (6)
1. a multifunctional light electro-chemical test device, comprise chemical bath assembly, front gland bonnet assembly and rear gland bonnet assembly, chemical bath assembly is used for holding electrolytic solution, front gland bonnet assembly is for sealing the front hole of chemical bath assembly, rear gland bonnet assembly is for sealing chemical bath assembly metapore, it is characterized in that
Described chemical bath assembly comprises chemical bath housing (3), the first circular hole (5), the second circular hole (8) and chemical bath cavity (9), described the first circular hole (5) and the second circular hole (8) are arranged on the sidewall of described chemical bath housing (3), be respectively used to install Pt silk to electrode and contrast electrode, chemical bath cavity (9) is for holding electrolyte to carry out Optical Electro-Chemistry reaction test; The front end face of described chemical bath housing (3) and rear end face are equipped with the circular hole that is communicated with chemical bath cavity (9);
Described front gland bonnet assembly comprises front gland bonnet (6) and logical light circular hole (14), front gland bonnet (6) is for covering the circular hole of chemical bath cavity (9) front end face, between front gland bonnet (6) and chemical bath housing (3), be formed for laying the gap of electro-conductive glass working electrode (11) or piezoid (18), the center section of front gland bonnet (6) has the just logical light circular hole (14) to electro-conductive glass working electrode (11) or piezoid (18);
Described rear gland bonnet assembly comprises atresia gland bonnet (2) and perforate gland bonnet (17), in the time carrying out electro-conductive glass working electrode Optical Electro-Chemistry reaction test, atresia gland bonnet (2) is for covering the circular hole of chemical bath cavity (9) rear end face, gap between front gland bonnet (6) and chemical bath (3) housing is used for laying electro-conductive glass working electrode (11), and described electro-conductive glass working electrode (11) finishing has photoelectrocatalysis agent; In the time carrying out glass carbon working electrode Optical Electro-Chemistry reaction test, gap between front gland bonnet (6) and housing (3) housing is used for laying piezoid (18), and perforate gland bonnet (17) is installed, in from its tapping to chemical cell cavity (9), put into glass carbon working electrode (15), described glass carbon working electrode (15) finishing has photoelectrocatalysis agent.
2. multifunctional light electro-chemical test device as claimed in claim 1, it is characterized in that, on described chemical bath cavity (9) front end face circular hole, be also coated with an O type circle (13), front gland bonnet (6), electro-conductive glass working electrode (11) or piezoid (18) cover the upper surface of an O type circle (13) successively, and be fixed on chemical bath housing (3) front end face, to ensure the sealing of front gland bonnet assembly by screw.
3. multifunctional light electro-chemical test device as claimed in claim 1 or 2, it is characterized in that, on described chemical bath cavity (9) rear end face circular hole, be also coated with the 2nd O type circle (10), atresia gland bonnet (2) covers the 2nd O type circle (10) upper surface, and be fixed on chemical bath housing (3) rear end face, to ensure the sealing of rear gland bonnet assembly by screw.
4. multifunctional light electro-chemical test device as claimed in claim 3, is characterized in that, is also provided with chemical bath rectangular channel (4) on described chemical bath housing (3), for inject electrolyte in chemical bath cavity (9).
5. multifunctional light electro-chemical test device as claimed in claim 4, is characterized in that, described screw is allen screw.
6. multifunctional light electro-chemical test device as claimed in claim 5, is characterized in that, described front gland bonnet (6), atresia gland bonnet (2), perforate gland bonnet (17) and screw all adopt polytetrafluoro materials processing to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410106606.3A CN103852501B (en) | 2014-03-21 | 2014-03-21 | A kind of multifunctional light electro-chemical test device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410106606.3A CN103852501B (en) | 2014-03-21 | 2014-03-21 | A kind of multifunctional light electro-chemical test device |
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| Publication Number | Publication Date |
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| CN103852501A true CN103852501A (en) | 2014-06-11 |
| CN103852501B CN103852501B (en) | 2016-07-27 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105116040A (en) * | 2015-08-25 | 2015-12-02 | 广西壮族自治区农业科学院农产品质量安全与检测技术研究所 | Photoelectrochemical reaction tank |
| CN105136676A (en) * | 2015-08-25 | 2015-12-09 | 广西壮族自治区农业科学院农产品质量安全与检测技术研究所 | Photoelectric chemical reaction device |
| CN109521069A (en) * | 2018-11-02 | 2019-03-26 | 徐州工程学院 | Multi-functional electrochemistry subtest case |
| CN112903792A (en) * | 2021-01-27 | 2021-06-04 | 兰州大学 | Novel multi-functional photoelectrochemistry reaction tank |
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| JP2009014605A (en) * | 2007-07-06 | 2009-01-22 | Ibaraki Univ | Biophotochemistry cell and its application method |
| CN202450162U (en) * | 2011-11-29 | 2012-09-26 | 新奥科技发展有限公司 | Hydrogen production reaction system of photoelectric chemical pool |
| CN203299164U (en) * | 2013-06-26 | 2013-11-20 | 西南大学 | Constant-temperature multi-electrode electrolytic tank |
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2014
- 2014-03-21 CN CN201410106606.3A patent/CN103852501B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2276157Y (en) * | 1996-11-21 | 1998-03-11 | 中国科学院南京地理与湖泊研究所 | Electrolytic bath |
| CN2670942Y (en) * | 2003-12-04 | 2005-01-12 | 惠州Tcl金能电池有限公司 | Electrochemical electrolytic cell of multi-electrode system |
| JP2009014605A (en) * | 2007-07-06 | 2009-01-22 | Ibaraki Univ | Biophotochemistry cell and its application method |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105116040A (en) * | 2015-08-25 | 2015-12-02 | 广西壮族自治区农业科学院农产品质量安全与检测技术研究所 | Photoelectrochemical reaction tank |
| CN105136676A (en) * | 2015-08-25 | 2015-12-09 | 广西壮族自治区农业科学院农产品质量安全与检测技术研究所 | Photoelectric chemical reaction device |
| CN105116040B (en) * | 2015-08-25 | 2018-05-08 | 广西壮族自治区农业科学院农产品质量安全与检测技术研究所 | Optical electro-chemistry reaction tank |
| CN109521069A (en) * | 2018-11-02 | 2019-03-26 | 徐州工程学院 | Multi-functional electrochemistry subtest case |
| CN109521069B (en) * | 2018-11-02 | 2020-09-29 | 徐州工程学院 | Multifunctional electrochemical auxiliary test box |
| CN112903792A (en) * | 2021-01-27 | 2021-06-04 | 兰州大学 | Novel multi-functional photoelectrochemistry reaction tank |
| CN112903792B (en) * | 2021-01-27 | 2023-06-27 | 兰州大学 | Novel multi-functional photoelectrochemistry reaction tank |
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| CN103852501B (en) | 2016-07-27 |
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